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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash Flows From Operating Activities    
Net income (loss) $ 31,743 $ 5,795
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation 106,002 113,437
Amortization 18,630 18,860
Amortization reflected as rent expense in cost of services 372 2,173
Bad debt expense 1,362 1,479
Stock based compensation expense, net of amount capitalized 4,578 3,053
Waived management fee 28,164 27,068
Deferred income taxes (1,989) (12,251)
(Gain) loss on investments (112) (308)
Net (gain) loss from patronage and equity investments (2,300) (2,315)
Amortization of long-term debt issuance costs 3,472 3,572
Accrued interest and other 205 1,633
Changes in assets and liabilities:    
Accounts receivable (5,492) 6,418
Inventory, net 741 31,604
Income taxes receivable 14,932 (8,704)
Other assets (13,393) (162)
Accounts payable (1,913) (30,795)
Income taxes payable 0 (435)
Deferred lease 4,159 3,729
Other deferrals and accruals (361) (5,146)
Net cash provided by (used in) operating activities 188,800 158,705
Cash flows from investing activities:    
Acquisition of property, plant and equipment (92,309) (109,435)
Proceeds from sale of assets 540 356
Cash distributions (contributions) from investments and other (1) 4
Sprint expansion (52,000) (6,000)
Net cash provided by (used in) investing activities (143,770) (115,075)
Cash Flows From Financing Activities    
Principal payments on long-term debt (46,375) (24,250)
Proceeds from revolving credit facility borrowings 15,000 0
Proceeds from credit facility borrowings 0 25,000
Principal payments on revolving credit facility (15,000) 0
Taxes paid for equity award issuances (2,033) (5,106)
Net cash provided by (used in) financing activities (48,408) (4,356)
Net increase (decrease) in cash and cash equivalents (3,378) 39,274
Cash and cash equivalents, beginning of period 78,585 36,193
Cash and cash equivalents, end of period 75,207 75,467
Cash payments for:    
Interest, net of capitalized interest of $1,187 and $1,266, respectively 25,067 25,934
Income tax (refunds received) payments, net (2,736) 19,567
Capital expenditures payable $ 11,919 $ 3,800